-3a-1=2(a+7)

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Solution for -3a-1=2(a+7) equation:


Simplifying
-3a + -1 = 2(a + 7)

Reorder the terms:
-1 + -3a = 2(a + 7)

Reorder the terms:
-1 + -3a = 2(7 + a)
-1 + -3a = (7 * 2 + a * 2)
-1 + -3a = (14 + 2a)

Solving
-1 + -3a = 14 + 2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2a' to each side of the equation.
-1 + -3a + -2a = 14 + 2a + -2a

Combine like terms: -3a + -2a = -5a
-1 + -5a = 14 + 2a + -2a

Combine like terms: 2a + -2a = 0
-1 + -5a = 14 + 0
-1 + -5a = 14

Add '1' to each side of the equation.
-1 + 1 + -5a = 14 + 1

Combine like terms: -1 + 1 = 0
0 + -5a = 14 + 1
-5a = 14 + 1

Combine like terms: 14 + 1 = 15
-5a = 15

Divide each side by '-5'.
a = -3

Simplifying
a = -3

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